#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    string s, t;
    cin >> s >> t;
    for (auto &&i : t) {
        if(isdigit(i)){
            i = s[i-'0'];
        }
    }
    cout << t << "\n";
    return 0;
}